Steel Metal Spur Different Main Gear 64T/21T/23T/29T/17T/26T Motor Pinion Gears

Steel Metal Spur Different Main Gear 64T/21T/23T/29T/17T/26T Motor Pinion Gears 1:10 11184 Steel Metal Spur different Main Gear 64T/21T/23T/29T/17T/26T Motor Pinion Gears Color 64T means: You will get 1 Piece Supr Gear 64T Color 29T means: You will get 1 Piece Pionion Gear 29T Color 26T means: You will get 1 Piece Pionion Gear 26T Color 21T means: You will get 1 Piece Pionion Gear 21T Color 23T means: You will get 1 Piece Pionion Gear 23T Color 17T means: You will get 1 Piece Pionion Gear 17T The diameter of the middle hole is 3.17mm for 17T/21T/23T/26T/29T. The diameter of the middle hole is 5mm for 64T.